What is 2 + 2 equal bc I don't know plz help

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.